Thread: iisac orion
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Old 19-10-2009, 03:41 PM
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gregbradley
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Join Date: Feb 2006
Location: Sydney
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Nice one. Looks like you need a flattener now to correct the coma in the corners.

There are a few around. Televue .8X reducer/flattener, William Optics and I believe APM sells generic flatteners for different sized scopes.

Greg.
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